This unique double Kegel ball toy will help you train your pelvic floor muscles and enhance sexual pleasure. You can wear this inside your vagina with the pull-out cord exposed. You can start to exercise by wearing the ball for a few minutes each day and increase the duration of the training as your intimate muscles get stronger. A small metal ball inside provides vibrations when you move. Very pleasant for your love life and very helpful during and after pregnancy. Discrete, safe and easy. Phthalate-free Silcone. Made to strict EU standards for safety.